Growth of new blood vessels is called __________.
Fill in the blank(s) with the appropriate word(s).
angiogenesis
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The inner portion of the adrenal gland is called the ________.
Fill in the blank(s) with the appropriate word(s).
The cells of the nervous system communicate via _____, whereas the cells of the endocrine system communicate via ____.
Fill in the blank(s) with the appropriate word(s).
Which statement accurately describes alveolar and systemic gas exchanges?
A. In both alveolar and systemic gas exchange, oxygen diffuses toward the blood. B. In alveolar gas exchange oxygen diffuses out of the blood, but in systemic gas exchange it diffuses into the blood. C. In alveolar gas exchange oxygen diffuses into the blood, but in systemic gas exchange it diffuses out of the blood. D. In both alveolar and systemic gas exchange, oxygen diffuses out of the blood.
Which of the following does not contribute to the large surface area available for nutrient absorption in the small intestine?
A. Circular folds B. Intestinal length C. Microvilli D. Villi E. Rugae